Jennifer Linder

Jul. 06, 2012

What's Your IQ on SPF?

A look at the science of sunscreen: how it intercepts the sun's rays, whether it blocks vitamin D production, and what SPF really means.

sunscreen, uva, uvb, ultraviolet radiation, sun block, suntan lotion, sun tan lotion, nanoparticles, skin cancer, melanoma, vitamin d, summer, sunshine

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

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Mystery Box

Oliver Sacks: Hallucinations

In his latest book, neurologist Oliver Sacks explores the strange world of hallucinations, and documents his own experiments with psychedelic drugs.

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